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AD8270 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD8270
Description  Precision Dual-Channel Difference Amplifier
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8270 Datasheet(HTML) 6 Page - Analog Devices

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AD8270
Data Sheet
Rev. A | Page 6 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
12
11
10
1
3
4
9
2
AD8270
TOP VIEW
NOTES
1. TIE THE EXPOSED PAD TO –VS.
–IN1A
–IN2A
+IN2A
+IN1A
–IN1B
–IN2B
+IN2B
+IN1B
Figure 3. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
−IN1A
10 kΩ Resistor Connected to Negative Terminal of Op Amp A.
2
−IN2A
10 kΩ Resistor Connected to Negative Terminal of Op Amp A.
3
+IN2A
10 kΩ Resistor Connected to Positive Terminal of Op Amp A.
4
+IN1A
10 kΩ Resistor Connected to Positive Terminal of Op Amp A.
5
REF1A
20 kΩ Resistor Connected to Positive Terminal of Op Amp A. Most configurations use this pin as a reference
voltage input.
6
REF2A
20 kΩ Resistor Connected to Positive Terminal of Op Amp A. Most configurations use this pin as a reference
voltage input.
7
REF2B
20 kΩ Resistor Connected to Positive Terminal of Op Amp B. Most configurations use this pin as a reference
voltage input.
8
REF1B
20 kΩ Resistor Connected to Positive Terminal of Op Amp B. Most configurations use this pin as a reference
voltage input.
9
+IN1B
10 kΩ Resistor Connected to Positive Terminal of Op Amp B.
10
+IN2B
10 kΩ Resistor Connected to Positive Terminal of Op Amp B.
11
−IN2B
10 kΩ Resistor Connected to Negative Terminal of Op Amp B.
12
−IN1B
10 kΩ Resistor Connected to Negative Terminal of Op Amp B.
13
−VS
Negative Supply.
14
OUTB
Op Amp B Output.
15
OUTA
Op Amp A Output.
16
+VS
Positive Supply.
0
EPAD
Exposed Pad. Tie the exposed pad to −VS.


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